123121305

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{88259}}^1$

素因数の和:88301

約数の個数: 24

約数和(自身を含む): 220296960

約数和(自身を除く): 97175655

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 88259, 264777, 441295, 794331, 1323885, 2736029, 3971655, 8208087, 13680145, 24624261, 41040435, 123121305]

約数ペア:

[(1, 123121305), (3, 41040435), (5, 24624261), (9, 13680145), (15, 8208087), (31, 3971655), (45, 2736029), (93, 1323885), (155, 794331), (279, 441295), (465, 264777), (1395, 88259)]